Die Variety Forum - CONECA Error-Variety Coin Forum

Welcome!

CONECA (pronounced: CŌ�NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers�just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit us our main site Here

If you're not a member and would like to join see our Membership Application

We thank everybody who has helped make CONECA the great success that it is today!

Forums	Topics	Posts	Last Post
Die Variety Image Gallery Photos taken by our members. Topics: 315 Posts: 1,168 Last Post: Lincoln Cent 2022 D, VDB DDO.	315	1,168	Lincoln Cent 2022 D, VDB DDO. by Trenton110 02-16-2026, 07:17 AM

Topics	Statistics	Last Post
Sticky: RPM or DDO question ? HELP US help you. by MintErrors Started by MintErrors, 01-28-2025, 04:39 AM	0 responses 327 views 3 reactions	Last Post by MintErrors 01-28-2025, 04:39 AM
Sticky: 1883 Liberty RPD by sumdunce Started by sumdunce, 02-12-2022, 08:56 AM	13 responses 256 views 1 reaction	Last Post by MintErrors 12-13-2024, 01:14 PM
Closed, Sticky: Forum Protocols by jcuve Started by jcuve, 04-25-2021, 02:57 PM	0 responses 225 views 3 reactions	Last Post by jcuve 04-25-2021, 02:57 PM
Closed, Sticky: RPMs by jcuve Started by jcuve, 04-25-2021, 01:26 PM	4 responses 314 views 2 reactions	Last Post by jcuve 04-25-2021, 01:40 PM
Closed, Sticky: Machine doubling (aka mechanical or strike doubling) by jcuve Started by jcuve, 04-25-2021, 01:02 AM	6 responses 342 views 2 reactions	Last Post by jcuve 04-25-2021, 01:55 AM
Closed, Sticky: Other forms of doubling: by jcuve Started by jcuve, 04-25-2021, 01:38 AM	3 responses 213 views 1 reaction	Last Post by jcuve 04-25-2021, 01:54 AM
New 1959 D Jefferson nickel D/D Variety or Mechanical Doubling? by homer6679 Started by homer6679, 11-06-2024, 10:52 PM	4 responses 84 views 0 reactions	Last Post by MintErrors 02-03-2026, 08:41 PM
1943 P rpm-62 Jefferson nickel by Ronald Ozimek Started by Ronald Ozimek, 01-27-2026, 08:05 PM	3 responses 39 views 0 reactions	Last Post by eaxtellcoin 01-31-2026, 10:37 PM
1943/2 Jefferson by Ronald Ozimek Started by Ronald Ozimek, 01-22-2026, 09:21 AM	7 responses 74 views 0 reactions	Last Post by signofthedimes 01-27-2026, 08:11 PM
THREE MORE Proof Doubled Roosevelt Dime Obverse Dies Reused For Circulation by ryanrich Started by ryanrich, 01-20-2026, 09:22 PM	0 responses 34 views 0 reactions	Last Post by ryanrich 01-20-2026, 09:22 PM
1974S 1c RPM by signofthedimes Started by signofthedimes, 01-07-2026, 03:51 AM	12 responses 151 views 0 reactions	Last Post by eaxtellcoin 01-18-2026, 11:58 AM
2019 - AMP - DDR by Yjones3547 Started by Yjones3547, 01-10-2026, 06:15 PM	1 response 34 views 0 reactions	Last Post by MintErrors 01-13-2026, 08:14 PM
2022 P Maya Angelou #2 DDR by Yjones3547 Started by Yjones3547, 01-07-2026, 11:53 PM	3 responses 55 views 0 reactions	Last Post by MintErrors 01-12-2026, 08:41 AM
1966 Kennedy half dollar ddo by Decaf94drew Started by Decaf94drew, 12-15-2025, 11:05 AM	3 responses 116 views 0 reactions	Last Post by eaxtellcoin 01-09-2026, 07:42 PM
1974 - No Mint Marking - DDO by Yjones3547 Started by Yjones3547, 01-08-2026, 11:51 PM	1 response 48 views 0 reactions	Last Post by MintErrors 01-09-2026, 06:27 AM
2002 P Ohio - Die Crack by Yjones3547 Started by Yjones3547, 01-07-2026, 11:57 PM	1 response 28 views 0 reactions	Last Post by MintErrors 01-08-2026, 03:37 AM

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